/* ============================================================
   金翅膀科技 · 企业官网样式
   色系：蓝白体系 v1.0（对齐 UI 设计规范-蓝白）
   - 主色 blue-600 #1E63BC 承载交互，白与浅灰承载内容
   - 中性色偏冷灰，与蓝色同色温
   - 间距 4px 基准，圆角最大 16px，字重最高 600
   ============================================================ */

:root {
  /* ---------- 品牌蓝阶 ---------- */
  --blue-50: #F2F7FD;
  --blue-100: #E1ECFA;
  --blue-200: #C3DAF5;
  --blue-300: #96BFEC;
  --blue-400: #5E9BE0;
  --blue-500: #2F7BD4;
  --blue-600: #1E63BC;
  --blue-700: #1A4F97;
  --blue-800: #163F79;
  --blue-900: #12314F;

  /* ---------- 中性色 ---------- */
  --ink-900: #0F1B2D;
  --ink-800: #17263D;
  --ink-700: #2B3B52;
  --ink-600: #44546B;
  --ink-500: #64748B;
  --ink-400: #8A97A8;
  --ink-300: #B6C0CC;
  --line-300: #CBD5E1;
  --line-200: #E2E8F0;
  --line-100: #EEF2F7;
  --surface-100: #F2F5F9;
  --surface-50: #F8FAFC;
  --white: #FFFFFF;

  /* ---------- 语义色 ---------- */
  --success-600: #12854A;
  --success-50: #E9F7EF;
  --warning-600: #B4690E;
  --warning-50: #FDF4E3;
  --danger-600: #D22E3B;
  --danger-50: #FDECEE;

  /* ---------- 派生色（渐变过渡 / 描边） ---------- */
  --blue-25: #FBFDFF;
  --navy-deep: #0E2941;
  --success-line: #C4E9D3;
  --teal-50: #F0FAF8;

  /* ---------- 数据可视化 ---------- */
  --viz-1: #1E63BC;
  --viz-2: #0F9B8E;

  /* ---------- 语义别名（兼容既有引用） ---------- */
  --bg: var(--white);
  --bg-2: var(--surface-50);
  --bg-3: var(--surface-100);
  --panel: var(--white);
  --line: var(--line-200);
  --line-soft: var(--line-100);
  --gold: var(--blue-600);
  --gold-2: var(--blue-500);
  --gold-deep: var(--blue-700);
  --blue: var(--blue-600);
  --cyan: var(--viz-2);
  --text: var(--ink-900);
  --muted: var(--ink-600);
  --muted-2: var(--ink-500);

  /* ---------- 形状与阴影 ---------- */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --shadow-1: 0 1px 2px rgba(15, 27, 45, .06), 0 1px 3px rgba(15, 27, 45, .04);
  --shadow-2: 0 2px 8px -2px rgba(15, 27, 45, .10), 0 1px 2px rgba(15, 27, 45, .06);
  --shadow-3: 0 12px 28px -8px rgba(15, 27, 45, .16), 0 2px 6px -2px rgba(15, 27, 45, .08);
  --shadow-4: 0 24px 56px -16px rgba(15, 27, 45, .24), 0 4px 10px -4px rgba(15, 27, 45, .10);
  --focus-ring: 0 0 0 3px rgba(30, 99, 188, .22);

  --max: 1200px;
  --nav-h: 72px;
  --ease-out: cubic-bezier(.2, .8, .2, 1);
  --font: "Inter", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI",
    "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html { overflow-x: hidden; }

body {
  margin: 0;
  background: var(--white);
  color: var(--ink-600);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ---------- 布局 ---------- */
.hero-grid > *, .split > *, .prod > *, .grid-2 > *, .grid-3 > *, .grid-4 > *,
.steps > *, .price-grid > *, .foot-grid > *, .stat-band > *, .hero-proof > * { min-width: 0; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; }
section[id] { scroll-margin-top: calc(var(--nav-h) + 16px); }

.sec {
  padding: 104px 0;
}

.sec-tight {
  padding: 72px 0;
  background: var(--surface-50);
  border-top: 1px solid var(--line-100);
  border-bottom: 1px solid var(--line-100);
}

.sec-head {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}

.sec-head.left {
  margin-left: 0;
  text-align: left;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-600);
  font-weight: 600;
  margin-bottom: 16px;
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--blue-600);
}

h1, h2, h3, h4 {
  margin: 0 0 16px;
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.16; }
h2 { font-size: clamp(26px, 3.4vw, 38px); }
h3 { font-size: 20px; }

p { margin: 0 0 16px; color: var(--ink-600); }

.grad-text {
  background: linear-gradient(100deg, var(--blue-700) 0%, var(--blue-600) 52%, var(--blue-500) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  text-wrap: pretty;
  font-size: 17px;
  color: var(--ink-600);
  line-height: 1.85;
}

/* ---------- 背景装饰 ---------- */
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(30, 99, 188, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 99, 188, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.glow.gold { background: rgba(30, 99, 188, 0.13); }
.glow.blue { background: rgba(94, 155, 224, 0.18); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom-color: var(--line-200);
  box-shadow: 0 1px 2px rgba(15, 27, 45, .04);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 600;
  letter-spacing: 0.01em;
  flex-shrink: 0;
}

.logo svg, .logo-img { width: 38px; height: 38px; flex-shrink: 0; display: block; object-fit: contain; }
.foot-brand .logo-img, .foot-brand .logo svg { width: 44px; height: 44px; }

.logo-txt { display: flex; flex-direction: column; line-height: 1.15; }
.logo-txt strong { font-size: 17px; font-weight: 600; letter-spacing: 0.02em; color: var(--ink-900); }
.logo-txt span {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-400);
  text-transform: uppercase;
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-links a {
  padding: 9px 14px;
  font-size: 14.5px;
  color: var(--ink-600);
  border-radius: var(--radius-xs);
  transition: color 0.12s var(--ease-out), background 0.12s var(--ease-out);
  white-space: nowrap;
}

.nav-links a:hover { color: var(--blue-700); background: var(--blue-50); }
.nav-links a.active { color: var(--blue-600); }

.nav-cta {
  margin-left: 10px;
}

/* 导航内的按钮需覆盖 .nav-links a 的文字色 */
.nav-links a.nav-cta,
.nav-links a.nav-cta:hover { color: var(--white); }
.nav-links a.nav-cta:hover { background: var(--blue-700); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-xs);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.12s var(--ease-out), border-color 0.12s var(--ease-out),
    box-shadow 0.12s var(--ease-out), transform 0.12s var(--ease-out), color 0.12s var(--ease-out);
  white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: var(--blue-600);
  color: var(--white);
  box-shadow: var(--shadow-2);
}

.btn-primary:hover {
  background: var(--blue-700);
  box-shadow: 0 6px 18px -6px rgba(30, 99, 188, .45);
}

.btn-primary:active { background: var(--blue-800); }

.btn-ghost {
  background: var(--white);
  border-color: var(--line-300);
  color: var(--ink-700);
}

.btn-ghost:hover {
  border-color: var(--blue-400);
  color: var(--blue-700);
  background: var(--blue-50);
}

.btn-sm { padding: 10px 18px; font-size: 14px; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--blue-600);
  font-weight: 600;
  font-size: 14.5px;
}

.link-arrow svg { width: 15px; height: 15px; transition: transform 0.2s var(--ease-out); }
.link-arrow:hover { color: var(--blue-700); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 76px) 0 96px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--blue-50) 0%, var(--blue-25) 46%, var(--white) 100%);
}

.hero::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -40%;
  width: 900px;
  height: 500px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(30, 99, 188, 0.10), transparent 65%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px 6px 8px;
  border-radius: 999px;
  border: 1px solid var(--blue-100);
  background: var(--white);
  box-shadow: var(--shadow-1);
  font-size: 12.5px;
  color: var(--blue-800);
  margin-bottom: 24px;
  font-weight: 500;
}

.hero-badge i {
  font-style: normal;
  background: var(--blue-600);
  color: var(--white);
  font-size: 10.5px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.hero h1 { margin-bottom: 22px; }

.hero .lead { max-width: 540px; margin-bottom: 34px; }

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
  padding-top: 26px;
  border-top: 1px solid var(--line-200);
}

.hero-proof div { display: flex; flex-direction: column; }
.hero-proof b {
  font-size: 25px;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: -0.02em;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.hero-proof b em { font-style: normal; font-size: 14px; color: var(--blue-600); margin-left: 2px; }
.hero-proof > div > span { font-size: 12.5px; color: var(--ink-500); }
/* 数字计数节点必须继承大字号，不被上面的说明文字规则影响 */
.hero-proof b span { display: inline; font-size: inherit; color: inherit; }

/* ---------- 真实界面截图 ---------- */
.shot {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line-200);
  background: var(--white);
  box-shadow: var(--shadow-4);
  overflow: hidden;
  transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out);
}

.shot-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line-200);
  background: var(--surface-50);
}

.shot-bar i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--line-300);
  display: block;
}
.shot-bar i:first-child { background: var(--blue-300); }

.shot-bar span {
  margin-left: 8px;
  font-size: 11.5px;
  color: var(--ink-500);
  letter-spacing: 0.04em;
}

.shot-img {
  display: block;
  overflow: hidden;
  background: var(--surface-50);
}

.shot-img img {
  display: block;
  width: 100%;
  height: auto;
}

/* 首屏：略微溢出右栏，画面更"满" */
.hero-shot { margin-right: -44px; }
.hero-shot .shot-img { height: 308px; position: relative; }
.hero-shot .shot-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}
.hero-shot .shot-img::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 48px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.96) 92%);
  pointer-events: none;
}

/* 产品页内的整幅界面图 */
.shot-wide .shot-img img { border-top: 1px solid transparent; }
.shot-wide .shot-img { position: relative; }
.shot-wide .shot-img::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 64px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.94) 88%);
  pointer-events: none;
}

/* 产品页首屏整屏截图 */
.shot-img-hero { height: 396px; position: relative; }
.shot-img-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}
.shot-img-hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 52px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.96) 92%);
  pointer-events: none;
}

/* 两图并排 */
.shot-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.shot-pair .shot-img { height: 230px; }
.shot-pair .shot-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}

/* ---------- 仪表盘 mockup ---------- */
.dash {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line-200);
  background: var(--white);
  box-shadow: var(--shadow-4);
  overflow: hidden;
  transform: perspective(1400px) rotateY(-4deg) rotateX(1.5deg);
  transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out);
}

.dash:hover {
  transform: perspective(1400px) rotateY(-1deg) rotateX(0deg);
  box-shadow: 0 32px 64px -20px rgba(15, 27, 45, .28), 0 4px 10px -4px rgba(15, 27, 45, .1);
}

.dash-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-200);
  background: var(--surface-50);
}

.dash-bar i {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--line-300);
  display: block;
}
.dash-bar i:first-child { background: var(--blue-300); }

.dash-bar span {
  margin-left: 8px;
  font-size: 11.5px;
  color: var(--ink-500);
  letter-spacing: 0.04em;
}

.dash-body { padding: 18px; }

.dash-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}

.kpi {
  border: 1px solid var(--line-200);
  border-radius: var(--radius-sm);
  padding: 11px 12px;
  background: var(--surface-50);
}

.kpi u {
  display: block;
  font-size: 10.5px;
  color: var(--ink-500);
  text-decoration: none;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}

.kpi b {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.kpi em {
  font-style: normal;
  display: block;
  font-size: 10.5px;
  color: var(--success-600);
  margin-top: 3px;
}

.kpi.warn em { color: var(--warning-600); }

.dash-chart {
  border: 1px solid var(--line-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  padding: 12px 12px 6px;
  margin-bottom: 12px;
}

.dash-chart h6 {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-700);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.dash-chart h6 span { color: var(--ink-400); font-weight: 400; font-size: 10px; }

.dash-rows { display: grid; gap: 8px; }

.drow {
  display: grid;
  grid-template-columns: 62px 1fr 46px;
  align-items: center;
  gap: 10px;
  font-size: 10.5px;
  color: var(--ink-500);
}

.drow .track {
  height: 6px;
  border-radius: 4px;
  background: var(--surface-100);
  overflow: hidden;
}

.drow .fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--blue-600), var(--blue-400));
}

.drow .fill.blue { background: linear-gradient(90deg, var(--blue-300), var(--blue-200)); }
.drow b { text-align: right; color: var(--ink-700); font-weight: 600; font-variant-numeric: tabular-nums; }

/* 浮动徽标 */
.float-tag {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line-200);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 12px;
  color: var(--ink-700);
  box-shadow: var(--shadow-3);
  animation: floaty 5.5s ease-in-out infinite;
}

.float-tag svg { width: 14px; height: 14px; color: var(--blue-600); }
.float-tag.t1 { bottom: -46px; left: 14px; animation-delay: 1.2s; }
.float-tag.t2 { bottom: -46px; right: 14px; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* ---------- 客户条 ---------- */
.clients {
  border-top: 1px solid var(--line-200);
  border-bottom: 1px solid var(--line-200);
  padding: 34px 0;
  background: var(--white);
}

.clients .wrap {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 24px 44px;
}

.clients-label {
  font-size: 12.5px;
  color: var(--ink-500);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.client-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: 16px 28px;
}

.client-mark {
  display: flex;
  align-items: center;
  gap: 11px;
  opacity: 0.85;
  transition: opacity 0.2s;
}

.client-mark:hover { opacity: 1; }

.client-mark .cm-badge {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-200);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-700);
  background: var(--blue-50);
  letter-spacing: 0;
  flex-shrink: 0;
}

.client-mark .cm-txt { display: flex; flex-direction: column; line-height: 1.3; }
.client-mark .cm-txt b { font-size: 14px; font-weight: 600; color: var(--ink-800); letter-spacing: 0.02em; }
.client-mark .cm-txt span { font-size: 10.5px; color: var(--ink-400); letter-spacing: 0.04em; }

/* ---------- 通用卡片网格 ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.card {
  position: relative;
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  background: var(--white);
  padding: 28px 26px;
  box-shadow: var(--shadow-1);
  transition: transform 0.16s var(--ease-out), border-color 0.16s var(--ease-out),
    box-shadow 0.16s var(--ease-out);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--line-300);
  box-shadow: var(--shadow-3);
}

.card h3 { margin-bottom: 10px; font-size: 18.5px; }
.card p { margin: 0; font-size: 14.5px; line-height: 1.75; }

.ico {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  color: var(--blue-600);
}

.ico svg { width: 21px; height: 21px; }

.ico.blue {
  background: var(--blue-50);
  border-color: var(--blue-100);
  color: var(--blue-600);
}

.ico.cyan {
  background: rgba(15, 155, 142, 0.08);
  border-color: rgba(15, 155, 142, 0.2);
  color: var(--viz-2);
}

/* ---------- 痛点 ---------- */
.pain-card {
  padding: 26px 26px 26px 28px;
  border: 1px solid var(--line-200);
  border-left: 3px solid var(--blue-600);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--white);
  box-shadow: var(--shadow-1);
  transition: box-shadow 0.16s var(--ease-out), transform 0.16s var(--ease-out);
}

.pain-card:hover { box-shadow: var(--shadow-2); transform: translateY(-2px); }

.pain-card .num {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--blue-500);
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 10px;
}

.pain-card h3 { font-size: 17.5px; margin-bottom: 8px; }
.pain-card p { font-size: 14px; margin: 0; }

/* ---------- 产品大卡 ---------- */
.prod {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-1);
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.prod:hover { border-color: var(--line-300); box-shadow: var(--shadow-3); }

.prod-copy { padding: 44px 42px; }

.prod-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-600);
  font-weight: 600;
  margin-bottom: 16px;
}

.prod-tag.blue { color: var(--blue-700); }

.prod h3 { font-size: clamp(24px, 2.6vw, 32px); margin-bottom: 6px; }

.prod .en {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ink-400);
  text-transform: uppercase;
  margin-bottom: 18px;
  display: block;
}

.prod .slogan {
  font-size: 16px;
  color: var(--blue-800);
  margin-bottom: 18px;
  font-weight: 500;
}

.prod p.desc { font-size: 14.5px; margin-bottom: 24px; }

.feat-list { list-style: none; padding: 0; margin: 0 0 30px; display: grid; gap: 11px; }

.feat-list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-600);
  align-items: flex-start;
}

.feat-list li svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  margin-top: 5px;
  color: var(--blue-600);
}

.feat-list.blue li svg { color: var(--blue-700); }

.prod-visual {
  position: relative;
  border-left: 1px solid var(--line-200);
  background: linear-gradient(160deg, var(--blue-50) 0%, var(--surface-50) 60%, var(--white) 100%);
  display: grid;
  place-items: center;
  padding: 34px;
  min-height: 420px;
}

.prod-visual.blue-bg {
  background: linear-gradient(160deg, var(--blue-50) 0%, var(--surface-50) 60%, var(--white) 100%);
}

/* ---------- RPA 流程图 ---------- */
.flow {
  width: 100%;
  display: grid;
  gap: 12px;
}

.flow-node {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-200);
  background: var(--white);
  font-size: 13px;
  color: var(--ink-700);
  box-shadow: var(--shadow-1);
}

.flow-node .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--blue-400);
  box-shadow: 0 0 0 4px var(--blue-50);
  flex-shrink: 0;
}

.flow-node.active {
  border-color: var(--blue-300);
  background: var(--blue-50);
}

.flow-node.active .dot {
  background: var(--blue-600);
  box-shadow: 0 0 0 4px rgba(30, 99, 188, 0.14);
}

.flow-node .tag-mini {
  margin-left: auto;
  font-size: 10.5px;
  color: var(--ink-400);
  font-family: var(--mono);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.flow-gap {
  justify-self: center;
  width: 1px;
  height: 14px;
  background: linear-gradient(180deg, var(--blue-300), transparent);
}

/* ---------- 数据带 ---------- */
.stat-band {
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-1);
  padding: 40px 36px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.stat { text-align: center; position: relative; }

.stat + .stat::before {
  content: "";
  position: absolute;
  left: -13px;
  top: 12%;
  height: 76%;
  width: 1px;
  background: var(--line-200);
}

.stat b {
  display: block;
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--blue-700);
  font-variant-numeric: tabular-nums;
}

.stat b em { font-style: normal; font-size: 60%; margin-left: 2px; color: var(--blue-500); }
.stat > span { display: block; font-size: 13px; color: var(--ink-500); margin-top: 6px; }
.stat b span { display: inline; font-size: inherit; color: inherit; }

/* ---------- 案例 ---------- */
.case-card {
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  padding: 28px 26px;
  background: var(--white);
  box-shadow: var(--shadow-1);
  transition: transform 0.16s var(--ease-out), border-color 0.16s var(--ease-out),
    box-shadow 0.16s var(--ease-out);
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-300);
  box-shadow: var(--shadow-3);
}

.case-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.case-brand { display: flex; align-items: center; gap: 11px; }

.case-brand .cm-badge {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  border: 1px solid var(--blue-100);
  display: grid; place-items: center;
  font-size: 12px; font-weight: 600; color: var(--blue-700);
  background: var(--blue-50);
}

.case-brand b { font-size: 15px; display: block; line-height: 1.3; color: var(--ink-900); }
.case-brand span { font-size: 11.5px; color: var(--ink-400); }

.case-chip {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--success-line);
  background: var(--success-50);
  color: var(--success-600);
  white-space: nowrap;
  font-weight: 500;
}

.case-card h4 { margin: 0 0 10px; font-size: 16.5px; }
.case-card p { font-size: 14px; margin: 0 0 18px; flex: 1; }

.case-meta {
  display: flex;
  gap: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-100);
  font-size: 12px;
  color: var(--ink-500);
  flex-wrap: wrap;
}

.case-meta b { color: var(--ink-700); font-weight: 600; }

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }

.step {
  position: relative;
  padding: 0 22px 0 0;
}

.step .sn {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--blue-500);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 14px;
}

.step .sline {
  height: 1px;
  background: linear-gradient(90deg, var(--blue-300), var(--line-200));
  margin-bottom: 18px;
  position: relative;
}

.step .sline::after {
  content: "";
  position: absolute;
  left: 0; top: -3px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue-600);
  box-shadow: 0 0 0 4px var(--blue-50);
}

.step h4 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 13.5px; margin: 0; }

/* ---------- 价格 ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }

.price {
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  padding: 30px 26px;
  background: var(--white);
  box-shadow: var(--shadow-1);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.16s var(--ease-out), border-color 0.16s var(--ease-out),
    box-shadow 0.16s var(--ease-out);
}

.price:hover { transform: translateY(-2px); border-color: var(--line-300); box-shadow: var(--shadow-2); }

.price.featured {
  border-color: var(--blue-300);
  box-shadow: 0 12px 32px -12px rgba(30, 99, 188, .22), 0 2px 6px -2px rgba(15, 27, 45, .06);
  background: linear-gradient(180deg, var(--blue-50) 0%, var(--white) 42%);
}

.price.featured:hover { border-color: var(--blue-400); }

.price-flag {
  position: absolute;
  top: -12px;
  right: 24px;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--blue-600);
  color: var(--white);
  letter-spacing: 0.03em;
  box-shadow: var(--shadow-2);
}

.price h4 { font-size: 17px; margin-bottom: 4px; }
.price .p-sub { font-size: 12.5px; color: var(--ink-500); margin-bottom: 20px; }

.price .amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}

.price .amount b {
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
}

.price .amount span { font-size: 13px; color: var(--ink-500); }
.price .p-note { font-size: 12px; color: var(--ink-400); margin-bottom: 22px; }

.price ul { list-style: none; padding: 0; margin: 0 0 26px; display: grid; gap: 10px; flex: 1; }

.price ul li {
  font-size: 13.5px;
  color: var(--ink-600);
  display: flex;
  gap: 9px;
  align-items: flex-start;
}

.price ul li svg { width: 14px; height: 14px; margin-top: 5px; flex-shrink: 0; color: var(--blue-600); }
.price ul li.dim { color: var(--ink-400); }
.price ul li.dim svg { color: var(--ink-300); }

/* ---------- CTA ---------- */
.cta-band {
  position: relative;
  border: 1px solid var(--blue-800);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 62px 48px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(47, 123, 212, 0.5), transparent 62%),
    linear-gradient(165deg, var(--blue-900) 0%, var(--navy-deep) 100%);
  box-shadow: var(--shadow-4);
  color: var(--white);
}

.cta-band h2 { margin-bottom: 14px; color: var(--white); }
.cta-band p { max-width: 560px; margin: 0 auto 30px; color: var(--blue-200); }
.cta-band .lead { color: var(--blue-200); }
.cta-band .eyebrow { color: var(--blue-300); }
.cta-band .eyebrow::before { background: var(--blue-400); }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.cta-band .btn-primary {
  background: var(--white);
  color: var(--blue-800);
  box-shadow: var(--shadow-3);
}
.cta-band .btn-primary:hover { background: var(--blue-50); color: var(--blue-900); }

.cta-band .btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.32);
  color: var(--white);
}
.cta-band .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000, transparent 70%);
  pointer-events: none;
}

.cta-band > * { position: relative; z-index: 1; }

/* ---------- 页头（子页） ---------- */
.page-head {
  padding: calc(var(--nav-h) + 68px) 0 60px;
  border-bottom: 1px solid var(--line-200);
  overflow: hidden;
  background: linear-gradient(180deg, var(--blue-50) 0%, var(--blue-25) 55%, var(--white) 100%);
}

.page-head .breadcrumb {
  font-size: 12.5px;
  color: var(--ink-400);
  margin-bottom: 20px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.page-head .breadcrumb a:hover { color: var(--blue-600); }

.page-head h1 { font-size: clamp(30px, 4.2vw, 46px); max-width: 820px; }
.page-head h1 > span { display: block; margin-top: 10px; line-height: 1.45; font-size: 0.56em; }
.page-head h1 > span.grad-text {
  background: linear-gradient(100deg, var(--blue-700) 0%, var(--blue-600) 52%, var(--blue-500) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}
.page-head .lead { max-width: 660px; margin-bottom: 0; }

/* ---------- 模块块 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split.reverse .split-media { order: 2; }

.check-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 14px; }

.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14.5px;
  color: var(--ink-600);
}

.check-list li .ck {
  width: 20px; height: 20px;
  border-radius: var(--radius-xs);
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  display: grid; place-items: center;
  flex-shrink: 0;
  margin-top: 3px;
}
.check-list li .ck svg { width: 12px; height: 12px; color: var(--blue-600); }
.check-list li b { color: var(--ink-900); font-weight: 600; }

.panel-shot {
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
  box-shadow: var(--shadow-3);
}

.panel-shot .ph-head {
  padding: 11px 16px;
  border-bottom: 1px solid var(--line-200);
  font-size: 11.5px;
  color: var(--ink-500);
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-50);
}

.panel-shot .ph-body { padding: 20px; overflow-x: auto; }

/* 表格 mockup */
.ms-table { width: 100%; border-collapse: collapse; font-size: 11.5px; }
.ms-table th {
  text-align: left;
  color: var(--ink-500);
  font-weight: 500;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line-200);
  white-space: nowrap;
  background: var(--surface-50);
}
.ms-table td {
  padding: 9px 10px;
  color: var(--ink-700);
  border-bottom: 1px solid var(--line-100);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.ms-table tr:last-child td { border-bottom: 0; }
.up { color: var(--success-600); }
.down { color: var(--danger-600); }
.pill {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--blue-50);
  color: var(--blue-700);
  border: 1px solid var(--blue-100);
  font-weight: 500;
}

/* ---------- 案例分栏 ---------- */
.case-split { display: grid; grid-template-columns: 1.55fr 1fr; }
.case-split.rev { grid-template-columns: 1fr 1.55fr; }
.case-body { padding: 40px 38px; }
.case-visual {
  padding: 30px;
  display: grid;
  place-items: center;
  border-left: 1px solid var(--line-200);
  background: var(--surface-50);
}
.case-split.rev .case-visual { border-left: 0; border-right: 1px solid var(--line-200); }

.dash-split { display: grid; grid-template-columns: 1.35fr 1fr; gap: 14px; }

/* ---------- 团队/关于 ---------- */
.about-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-200);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  overflow: hidden;
}

.about-facts div {
  background: var(--white);
  padding: 22px 24px;
}

.about-facts u {
  display: block;
  font-size: 11.5px;
  color: var(--ink-400);
  text-decoration: none;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.about-facts b { font-size: 14px; font-weight: 600; color: var(--ink-900); line-height: 1.65; letter-spacing: -0.01em; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; color: var(--ink-700); font-weight: 500; }
.field label i { color: var(--danger-600); font-style: normal; }

.field input,
.field select,
.field textarea {
  background: var(--white);
  border: 1px solid var(--line-300);
  border-radius: var(--radius-xs);
  padding: 12px 14px;
  color: var(--ink-800);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.12s var(--ease-out), box-shadow 0.12s var(--ease-out);
  width: 100%;
}

.field input:hover,
.field select:hover,
.field textarea:hover { border-color: var(--ink-400); }

.field textarea { resize: vertical; min-height: 110px; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue-600);
  box-shadow: var(--focus-ring);
}

.field input::placeholder, .field textarea::placeholder { color: var(--ink-400); }

.form-note { font-size: 12px; color: var(--ink-500); margin-top: 14px; }

.form-ok {
  display: none;
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: var(--radius-xs);
  background: var(--success-50);
  border: 1px solid var(--success-line);
  color: var(--success-600);
  font-size: 13.5px;
}

.form-ok.show { display: block; }

.form-ok.err {
  background: var(--danger-50);
  border-color: rgba(210, 46, 59, 0.28);
  color: var(--danger-600);
}

/* 蜜罐字段：正常用户不可见，仅用来挡机器人 */
.hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* 联系信息 */
.contact-item {
  display: flex;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-100);
}
.contact-item:last-child { border-bottom: 0; }
.contact-item .ico { margin: 0; width: 38px; height: 38px; border-radius: var(--radius-sm); flex-shrink: 0; }
.contact-item .ico svg { width: 17px; height: 17px; }
.contact-item u { display: block; font-size: 12px; color: var(--ink-400); text-decoration: none; margin-bottom: 3px; letter-spacing: 0.04em; }
.contact-item b { font-size: 14.5px; font-weight: 500; color: var(--ink-800); line-height: 1.6; }
.contact-item b small { display: block; font-size: 12px; color: var(--ink-500); font-weight: 400; margin-top: 3px; }
.contact-item b a.contact-tel { color: inherit; text-decoration: none; }
.contact-item b a.contact-tel:hover { color: var(--blue-600); }

/* 站点配置注入的备案号链接 */
.foot-bottom .icp-link { color: inherit; text-decoration: none; }
.foot-bottom .icp-link:hover { color: var(--blue-600); }

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid var(--line-200);
  transition: border-color 0.16s var(--ease-out);
}
.faq-item:hover { border-bottom-color: var(--blue-200); }

.faq-q {
  width: 100%;
  background: none;
  border: 0;
  color: var(--ink-900);
  text-align: left;
  padding: 19px 40px 19px 0;
  font-size: 15.5px;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: inherit;
  transition: color 0.12s var(--ease-out);
}

.faq-q:hover { color: var(--blue-700); }

.faq-q::after {
  content: "+";
  position: absolute;
  right: 8px;
  font-size: 22px;
  font-weight: 300;
  color: var(--blue-600);
  transition: transform 0.2s var(--ease-out);
  line-height: 1;
}

.faq-item.open .faq-q::after { transform: rotate(45deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.24s var(--ease-out);
}

.faq-a p {
  margin: 0 0 20px;
  font-size: 14px;
  padding-right: 40px;
  line-height: 1.85;
  color: var(--ink-600);
}

/* ---------- 页脚 ---------- */
.footer {
  border-top: 1px solid var(--line-200);
  padding: 62px 0 28px;
  background: var(--surface-50);
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 44px;
}

.foot-brand p { font-size: 13.5px; line-height: 1.85; margin: 16px 0 0; max-width: 300px; color: var(--ink-500); }

.foot-col h5 {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-900);
  margin: 0 0 16px;
  font-weight: 600;
}

.foot-col a {
  display: block;
  font-size: 13.5px;
  color: var(--ink-500);
  padding: 5px 0;
  transition: color 0.12s var(--ease-out);
}

.foot-col a:hover { color: var(--blue-600); }

.foot-col p { font-size: 13px; margin: 0 0 8px; color: var(--ink-500); line-height: 1.7; }
.foot-col p a { display: inline; padding: 0; }   /* 配置注入的电话链接，不套用列表链接的块级间距 */

.foot-bottom {
  border-top: 1px solid var(--line-200);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--ink-400);
}

/* ---------- 动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero .lead { max-width: none; }
  .dash { transform: none; }
  .float-tag.t1 { left: 0; }
  .float-tag.t2 { right: 0; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .prod { grid-template-columns: 1fr; }
  .prod-visual { border-left: 0; border-top: 1px solid var(--line-200); min-height: 340px; }
  .stat-band { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
  .stat + .stat::before { display: none; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px 0; }
  .price-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .split-media { order: 0; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 900px) {
  .hero-shot { margin-right: 0; }
  .hero-shot .shot-img { height: auto; }
  .hero-shot .shot-img img { height: auto; object-fit: fill; }
  .hero-shot .shot-img::after { display: none; }
  .shot-img-hero { height: auto; }
  .shot-img-hero img { height: auto; object-fit: fill; }
  .shot-img-hero::after { display: none; }
  .shot-pair { grid-template-columns: 1fr; }
  .case-split, .case-split.rev { grid-template-columns: 1fr; }
  .case-body { padding: 30px 24px; }
  .case-visual {
    border-left: 0; border-right: 0;
    border-top: 1px solid var(--line-200);
    padding: 24px;
  }
  .dash-split { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sec { padding: 72px 0; }
  .sec-tight { padding: 56px 0; }
  .float-tag { display: none; }
  .dash-kpis { grid-template-columns: 1fr 1fr; gap: 8px; }
  .kpi { padding: 9px 10px; }
  .kpi b { font-size: 16px; }
  .hero-proof { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 16px; }
  .hero-proof b { font-size: 21px; }
  .clients .wrap { grid-template-columns: 1fr; gap: 16px; }
  .client-list { grid-template-columns: 1fr; gap: 14px; }
  .client-mark .cm-badge { width: 34px; height: 34px; font-size: 11px; }
  .flow-node { font-size: 12px; padding: 11px 13px; gap: 9px; }
  .flow-node .tag-mini { display: none; }
  .page-head h1 > span { font-size: 0.62em; }
  .form-note { font-size: 11.5px; }
  .prod .en { letter-spacing: 0.08em; font-size: 12px; }
  .prod .slogan { font-size: 15px; }
  .hero { padding: calc(var(--nav-h) + 48px) 0 64px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .about-facts { grid-template-columns: 1fr; }
  .stat-band { padding: 28px 20px; grid-template-columns: 1fr 1fr; }
  .cta-band { padding: 44px 22px; }
  .card { padding: 24px 22px; }
  .prod-copy { padding: 30px 24px; }
  .prod-visual { padding: 22px; }
  .foot-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step { padding-right: 0; }

  .nav-links { display: none; }

  .nav-toggle {
    display: grid;
    place-items: center;
    width: 40px; height: 40px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--line-200);
    background: var(--white);
    cursor: pointer;
    color: var(--ink-800);
  }

  .nav-mobile {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line-200);
    box-shadow: var(--shadow-3);
    padding: 12px 24px 22px;
    display: none;
    flex-direction: column;
    z-index: 99;
  }

  .nav-mobile.show { display: flex; }

  .nav-mobile a {
    padding: 13px 4px;
    font-size: 15px;
    color: var(--ink-700);
    border-bottom: 1px solid var(--line-100);
  }

  .nav-mobile .btn { margin-top: 16px; }
  .nav-mobile a.btn-primary { color: var(--white); }
  .nav-mobile a.btn-primary:hover { color: var(--white); }
  .hero-actions .btn { flex: 1; min-width: 140px; }
}

@media (min-width: 769px) {
  .nav-toggle, .nav-mobile { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ==========================================================
   翼仓 WingVault（数据仓库页）专用
   ========================================================== */

/* 代码块 */
.code-block {
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: linear-gradient(170deg, #10243A 0%, #0B1A2A 100%);
  box-shadow: var(--shadow-3);
  overflow: hidden;
}

.code-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.52);
}

.code-head .dots { display: flex; gap: 5px; margin-right: 4px; }
.code-head .dots i { width: 7px; height: 7px; border-radius: 50%; background: rgba(255, 255, 255, 0.22); }

.code-body {
  margin: 0;
  padding: 16px 18px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.9;
  color: #C4D5E6;
  overflow-x: auto;
  white-space: pre;
  tab-size: 2;
}

.code-body .c { color: #5C7A98; }
.code-body .k { color: #7FB2F0; }
.code-body .s { color: #8FD3A8; }
.code-body .n { color: #E8B778; }
.code-body .p { color: #9DB4CB; }

/* 分层架构 */
.arch { display: grid; gap: 10px; }

.arch-row {
  display: grid;
  grid-template-columns: 104px 1fr;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--line-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  box-shadow: var(--shadow-1);
}

.arch-row .lab {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--blue-600);
  font-weight: 600;
  text-transform: uppercase;
}

.arch-row .lab em {
  display: block;
  font-style: normal;
  font-size: 10.5px;
  color: var(--ink-400);
  letter-spacing: 0.04em;
  margin-top: 3px;
  font-weight: 400;
  text-transform: none;
}

.arch-chips { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  color: var(--blue-700);
  white-space: nowrap;
}

.chip.solid { background: var(--blue-600); border-color: var(--blue-600); color: var(--white); }
.chip.mute { background: var(--surface-50); border-color: var(--line-200); color: var(--ink-600); }

/* 权限矩阵里的状态点 */
.perm-dot { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; }
.perm-dot::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--success-600); }
.perm-dot.no::before { background: var(--danger-600); }
.perm-dot.half::before { background: var(--warning-600); }

@media (max-width: 900px) {
  .arch-row { grid-template-columns: 1fr; gap: 10px; }
  .code-body { font-size: 11px; padding: 14px; }
}

/* 截图卡片右上角状态：窄屏隐藏，避免换行 */
@media (max-width: 640px) {
  .shot-meta { display: none !important; }
  .shot-bar span { white-space: nowrap; }
}